27.5 / 3.5 = 7.86; The average yearly snowfall was 7.86 inches.
The x intercept would be on (-2,0)
Answer with Step-by-step explanation:
We are given that

a.Radius =25 m
We have to find rate of change of radius.
We know that
Area of circle,
Differentiate w.r.t time

Substitute the values then we get



b.A=
Substitute the values then we get





Substitute the values then we get

m/s
m/s
Answer: Please include more information, for now this is indeterminable
Step-by-step explanation: Sorry, add more info and I will be sure to answer